Finding the Fourth Proportional to 382,306,578.21, 573,463,186.08 and 123,521,826.09
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Solution
The fourth proportional to 382,306,578.21, 573,463,186.08 and 123,521,826.09 is: 185,283,811.42
Step by Step Solution
- Step 1: Write the proportion equation
382,306,578.21 : 573,463,186.08 = 123,521,826.09 : x - Step 2: Convert to fraction form
382,306,578.21/573,463,186.08 = 123,521,826.09/x - Step 3: Cross multiply
382,306,578.21x = 573,463,186.08 × 123,521,826.09 - Step 4: Simplify right side
382,306,578.21x = 70,835,219,939,991,080 - Step 5: Solve for x
x = 70,835,219,939,991,080/382,306,578.21 - Step 6: Final answer
x = 185,283,811.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.